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NL Tax Calculator for Grok

nl.nltaxcalculator/dutch-tax

Dutch tax calculators: net salary, 30% ruling, Box 3, visa salary norms, job loss, US-Dutch tax.

client:Grok transport:streamable-http tools:7

Install NL Tax Calculator in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "dutch-tax": {
      "type": "http",
      "url": "https://nltaxcalculator.nl/dutch-tax/api/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

What Grok can do once it is connected

NL Tax Calculator in other clients